Cheap flights from Phoenix Sky Harbor Intl Airport to Seattle from £78
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
15 Sep — 22 Sep1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl are usually found in January or February, booked 62 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Sky Harbor Intl to Seattle
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Cheapest flights from Sky Harbor Intl to Seattle
Explore the most affordable flight options available from Sky Harbor Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2026.
Fri 9/1022:30 -
Nonstop3h 05m
Tue 13/1011:00 -
1 stop5h 00m
Deal found 13/8£157
Tue 13/1016:20 -
1 stop5h 35m
Mon 19/1015:55 -
1 stop5h 10m
Deal found 12/8£159
Wed 2/915:35 -
1 stop4h 40m
Wed 9/909:25 -
2 stops8h 50m
Deal found 12/8£160
Tue 15/915:35 -
1 stop4h 45m
Wed 21/1005:50 -
2 stops7h 10m
Deal found 11/8£160
Tue 1/915:35 -
1 stop4h 40m
Fri 4/920:25 -
Nonstop3h 00m
Deal found 12/8£161
Fri 16/1022:30 -
Nonstop3h 05m
Tue 20/1005:50 -
2 stops7h 10m
Deal found 11/8£162
Wed 9/912:55 -
2 stops7h 25m
Wed 16/916:10 -
1 stop4h 50m
Deal found 12/8£163
Fri 9/1022:30 -
Nonstop3h 05m
Fri 16/1017:10 -
1 stop4h 50m
Deal found 11/8£163
Mon 31/820:51 -
Nonstop3h 08m
Tue 8/919:00 -
Nonstop3h 00m
Deal found 14/8£164
Fri 11/1220:40 -
1 stop4h 53m
Mon 14/1217:30 -
1 stop6h 25m
Deal found 12/8£165
Fri 16/1007:45 -
1 stop7h 35m
Mon 19/1012:25 -
1 stop4h 40m
Deal found 11/8£165
Mon 5/1016:05 -
2 stops6h 25m
Tue 13/1005:50 -
2 stops7h 10m
Deal found 12/8£166
Best flights from Sky Harbor Intl to Seattle
Discover carefully curated flight deals from Sky Harbor Intl to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 August 2026.
Fri 30/1007:25 -
2 stops7h 10m
Fri 30/1018:50 -
Nonstop2h 50m
Deal found 12/8£167
Tue 15/918:38 -
Nonstop3h 08m
Tue 6/1013:40 -
Nonstop2h 54m
Deal found 14/8£190
Thu 22/1015:59 -
Nonstop3h 11m
Sun 25/1020:15 -
Nonstop3h 03m
Deal found 14/8£205
Tue 8/908:20 -
Nonstop3h 07m
Tue 15/908:41 -
1 stop5h 52m
Deal found 12/8£193
Thu 22/1011:35 -
Nonstop3h 10m
Sun 25/1009:57 -
1 stop5h 49m
Deal found 13/8£193
Wed 28/1006:45 -
2 stops8h 10m
Tue 3/1107:45 -
2 stops9h 25m
Deal found 12/8£219
Fri 18/914:05 -
1 stop4h 46m
Tue 22/919:00 -
Nonstop3h 00m
Deal found 12/8£193
Wed 30/906:02 -
Nonstop3h 03m
Sat 3/1007:04 -
1 stop7h 56m
Deal found 11/8£197
Thu 10/920:51 -
Nonstop3h 08m
Fri 18/914:45 -
Nonstop3h 00m
Deal found 15/8£216
Fri 11/920:51 -
Nonstop3h 08m
Mon 14/907:18 -
Nonstop3h 10m
Deal found 15/8£216
Thu 8/1008:02 -
Nonstop3h 12m
Fri 16/1018:54 -
Nonstop2h 54m
Deal found 15/8£216
Sat 3/1009:02 -
Nonstop3h 12m
Sun 11/1008:40 -
1 stop4h 58m
Deal found 11/8£218
Direct flights from Sky Harbor Intl to Seattle
Explore direct flight options from Sky Harbor Intl to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 August 2026.
Mon 31/820:51 -
Nonstop3h 08m
Tue 8/919:00 -
Nonstop3h 00m
Deal found 14/8£164
Fri 20/1122:30 -
Nonstop3h 10m
Mon 23/1105:15 -
Nonstop2h 45m
Deal found 12/8£165
Tue 8/918:15 -
Nonstop3h 00m
Tue 15/911:40 -
Nonstop3h 10m
Deal found 11/8£168
Sun 4/1006:02 -
Nonstop3h 10m
Mon 12/1007:27 -
Nonstop3h 05m
Deal found 12/8£174
Thu 10/921:45 -
Nonstop3h 00m
Fri 18/906:15 -
Nonstop2h 45m
Deal found 11/8£175
Sat 5/912:12 -
Nonstop3h 11m
Sun 6/913:30 -
Nonstop3h 11m
Deal found 12/8£178
Sun 13/917:40 -
Nonstop3h 09m
Fri 18/920:39 -
Nonstop2h 57m
Deal found 13/8£180
Fri 4/916:06 -
Nonstop3h 08m
Tue 8/919:00 -
Nonstop3h 00m
Deal found 13/8£183
Fri 4/920:51 -
Nonstop3h 08m
Sun 6/913:42 -
Nonstop3h 00m
Deal found 13/8£184
Mon 4/118:35 -
Nonstop3h 14m
Wed 13/113:40 -
Nonstop2h 55m
Deal found 12/8£185
Tue 22/914:29 -
Nonstop3h 08m
Tue 22/919:00 -
Nonstop3h 00m
Deal found 14/8£186
Thu 3/909:02 -
Nonstop3h 12m
Fri 11/916:48 -
Nonstop3h 00m
Deal found 11/8£189
Last-minute flights from Sky Harbor Intl to Seattle
Discover last-minute flight deals from Sky Harbor Intl to Seattle. Data last updated 16 August 2026 and is based on user searches.
Mon 31/820:51 -
Nonstop3h 08m
Tue 8/919:00 -
Nonstop3h 00m
Deal found 14/8£164
Tue 1/915:35 -
1 stop4h 40m
Fri 4/920:25 -
Nonstop3h 00m
Deal found 12/8£161
Wed 2/915:35 -
1 stop4h 40m
Wed 9/909:25 -
2 stops8h 50m
Deal found 12/8£160
Fri 4/920:51 -
Nonstop3h 08m
Sat 5/914:18 -
1 stop21h 13m
Deal found 12/8£168
Tue 8/918:15 -
Nonstop3h 00m
Tue 15/911:40 -
Nonstop3h 10m
Deal found 11/8£168
Wed 9/912:55 -
2 stops7h 25m
Wed 16/916:10 -
1 stop4h 50m
Deal found 12/8£163
Thu 10/915:55 -
1 stop5h 56m
Fri 18/915:30 -
1 stop5h 38m
Deal found 11/8£171
Fri 11/907:08 -
1 stop10h 43m
Mon 14/907:18 -
Nonstop3h 10m
Deal found 12/8£163
Mon 14/906:02 -
Nonstop3h 03m
Mon 14/913:03 -
1 stop5h 52m
Deal found 11/8£159
Tue 15/915:35 -
1 stop4h 45m
Wed 21/1005:50 -
2 stops7h 10m
Deal found 11/8£160
Tue 15/911:40 -
2 stops7h 35m
Tue 22/909:25 -
2 stops8h 50m
Deal found 13/8£166
One-way flights from Sky Harbor Intl to Seattle
Search for one-way flight options from Sky Harbor Intl to Seattle. Find affordable one-way fares based on user searches. Data last updated 16 August 2026.
Fri 9/1015:59 -
Nonstop3h 11m
Deal found 13/8£78
Tue 1/916:06 -
Nonstop3h 08m
Deal found 14/8£79
Tue 6/1013:33 -
1 stop7h 42m
Deal found 13/8£80
Tue 1/915:35 -
1 stop4h 40m
Deal found 14/8£83
Mon 21/915:55 -
2 stops7h 31m
Deal found 13/8£83
Mon 14/1216:10 -
2 stops6h 20m
Deal found 12/8£84
Fri 25/1220:27 -
1 stop5h 06m
Deal found 12/8£86
Fri 13/1119:40 -
2 stops6h 35m
Deal found 13/8£89
Sat 16/112:15 -
2 stops8h 10m
Deal found 12/8£91
Mon 31/817:42 -
Nonstop3h 06m
Deal found 11/8£92
Wed 25/1101:35 -
1 stop12h 25m
Deal found 11/8£93
Find flight deals from Sky Harbor Intl to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 August 2026.
Customise your flight search to find flights from Sky Harbor Intl to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 August 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Seattle that are best for you.
Flights are sorted by cheapest return flights first.
Deals found on 12/8
Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Sky Harbor Intl to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Sky Harbor Intl with our price prediction graph.
PHX-SEA
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
The price you pay for your flight from Phoenix Sky Harbor Intl Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Seattle (average of £95). Flying from Phoenix Sky Harbor Intl Airport to Seattle in July is currently the most expensive (average of £222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHX to SEA?
Find hourly flight availability from Sky Harbor Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 August 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 73% on flights from Phoenix Sky Harbor Intl Airport to Seattle by exploring options for tickets in the morning.
How much does it cost for a return flight from Phoenix Sky Harbor Intl Airport to Seattle?
Airfare is typical for this route at the moment.
Phoenix Sky Harbor Intl Airport to Seattle flights typically cost between £154 and £225 in October.The cheapest return price found within the last 5 days was £157 on Southwest (9 Oct–13 Oct).
Weekly flight availability from Phoenix Sky Harbor Intl Airport to Seattle
Explore weekly flight availability from Sky Harbor Intl to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 August 2026.
The most flights from PHX to SEA are scheduled on a Friday (43 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).
How often are flights from Phoenix to Seattle delayed?
About 10% of weekly flights between Phoenix and Seattle have experienced delays in the past year, with the average delay time being 141 minutes.
What is the most punctual flight time for Phoenix to Seattle flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Phoenix to Seattle flights?
Over the past year, Delta have had the lowest number of delays on this route, with just 7% of flights being delayed.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 16 August 2026.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Seattle, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Seattle from Phoenix Sky Harbor Intl?
For a flight from Phoenix Sky Harbor Intl to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 21 inbound flights from Phoenix Sky Harbor Intl per day. 1 airline has flights to Seattle/Tacoma Intl from Phoenix Sky Harbor Intl on a regular basis.
How long is the flight from Phoenix Sky Harbor Intl Airport to Seattle?
Airlines like Southwest and Alaska Airlines fly from Phoenix Sky Harbor Intl Airport to Seattle in about 3h 12m. The time it takes to get you to your destination can typically vary by up to 3h 58m. Phoenix Sky Harbor Intl Airport and Seattle are separated by a distance of 1107 mi. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Seattle round-trip?
According to our current data, Alaska Airlines (£148), offers the cheapest pricing from Phoenix Sky Harbor Intl Airport to Seattle. You may be able to fly from Phoenix Sky Harbor Intl Airport to Seattle for 12% less than the average price by searching for this airline.
What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Seattle?
Consider KLM (97%), Air France (93%) or Korean Air (91%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Seattle.
Can I find deals for flights from Sky Harbor Intl to Seattle that include hotel bookings?
Yes. In addition to deals on Sky Harbor Intl to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sky Harbor Intl to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Seattle.
Can I find deals for business class flights from Sky Harbor Intl to Seattle?
Yes. Cheapflights offers flight deals from Sky Harbor Intl to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Seattle (average of £95). Flying from Phoenix Sky Harbor Intl Airport to Seattle in July is currently the most expensive (average of £222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on 16 August 2026.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 August 2026.
Top airline flying from Sky Harbor Intl to Seattle
Discover the top airline that operate flights from Sky Harbor Intl to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 August 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sky Harbor Intl to Seattle?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Sky Harbor Intl today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Sky Harbor Intl to Seattle?
Millions of users choose and trust Cheapflights to book the best flight deals from Sky Harbor Intl to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Sky Harbor Intl to Seattle with no change fees?
Yes, we can. To see specific flights from Sky Harbor Intl to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Sky Harbor Intl to Seattle become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Sky Harbor Intl today and book when prices fit your budget.
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